CVE-2023-49881 IBM Transformation Extender Advanced session fixation

Medium 6.3 Published 1 Oct 2025 Updated 1 Oct 2025

An attacker can impersonate another user by exploiting session fixation due to sessions not being invalidated after logout in IBM Transformation Extender Advanced.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-49881?

CVE-2023-49881 is a medium-severity authentication bypass vulnerability in IBM Transformation Extender Advanced, published on 1 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Transformation Extender Advanced 10.0.1

does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system.

Weakness: CWE-613

Which versions are affected by CVE-2023-49881?

It affects 1 product.

Products include Ibm Transformation Extender Advanced.

How do I fix CVE-2023-49881?

No fix has been published for CVE-2023-49881 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-49881 being exploited?

There is no known exploitation of CVE-2023-49881 in the wild and no public exploit code.

Sources

Also known as GHSA-65v7-8599-57vr.